Characteristics of the Northern Hemisphere cold regions changes from 1901 to 2019
文献类型：期刊论文
| 作者 | Huang, Yutao2; Zhang, Lijuan2; Li, Yongsheng1; Ren, Chong2; Pan, Tao2; Zhang, Wenshuai2; Zhang, Fan3; Li, Chunyang2; Gu, Jiakai2; Liu, Jie2 |
| 刊名 | SCIENTIFIC REPORTS
 |
| 出版日期 | 2023-03-08 |
| 卷号 | 13期号:1页码:12 |
| ISSN号 | 2045-2322 |
| DOI | 10.1038/s41598-023-30263-1 |
| 通讯作者 | Zhang, Lijuan(zhlj@hrbnu.edu.cn) |
| 英文摘要 | The accurate delineation of the spatial extent of cold regions provides the basis for the study of global environmental change. However, attention has been lacking on the temperature-sensitive spatial changes in the cold regions of the Earth in the context of climate warming. In this study, the mean temperature in the coldest month lower than - 3 degrees C, no more than 5 months over 10 degrees C, and an annual mean temperature no higher than 5 degrees C were selected to define cold regions. Based on the Climate Research Unit land surface air temperature (CRUTEM) of monthly mean surface climate elements, the spatiotemporal distribution and variation characteristics of the Northern Hemisphere (NH) continental cold regions from 1901 to 2019 are analyzed in this study, by adopting time trend and correlation analyses. The results show: (1) In the past 119 years, the cold regions of the NH covered on average about 4.074 x 10(7) km(2), accounting for 37.82% of the total land area of the NH. The cold regions can be divided into the Mid-to-High latitude cold regions and the Qinghai-Tibetan Plateau cold regions, with spatial extents of 3.755 x 10(7) km(2) and 3.127 x 10(6) km(2), respectively. The Mid-to-High latitude cold regions in the NH are mainly distributed in northern North America, most of Iceland, the Alps, northern Eurasia, and the Great Caucasus with a mean southern boundary of 49.48 degrees N. Except for the southwest, the entire region of the Qinghai-Tibetan Plateau, northern Pakistan, and most of Kyrgyzstan are cold regions. (2) In the past 119 years, the rates of change in the spatial extent of the cold regions in the NH, the Mid-to-High latitude, and the Qinghai-Tibetan Plateau were - 0.030 x 10(7) km(2)/10 a, - 0.028 x 10(7) km(2)/10 a, and - 0.013 x 10(6) km(2)/10 a, respectively, showing an extremely significant decreasing trend. In the past 119 years, the mean southern boundary of the Mid-to-High latitude cold regions has been retreating northward at all longitudes. For instance, the mean southern boundary of the Eurasian cold regions moved 1.82 degrees to the north and that of North America moved 0.98 degrees to the north. The main contribution of the study lies in the accurate definition of the cold regions and documentation of the spatial variation of the cold regions in the NH, revealing the response trends of the cold regions to climate warming, and deepening the study of global change from a new perspective. |
| 资助项目 | Key Project of Natural Science Foundation of Heilongjiang Province, China[ZD2020D002] ; Academic Innovation Project of Harbin Normal University[HSDBSCX2021-103] |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000985158100001 |
| 出版者 | NATURE PORTFOLIO |
| 资助机构 | Key Project of Natural Science Foundation of Heilongjiang Province, China ; Academic Innovation Project of Harbin Normal University |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/197192]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Zhang, Lijuan |
| 作者单位 | 1.Heilongjiang Climate Ctr, Harbin 150030, Peoples R China 2.Harbin Normal Univ, Heilongjiang Prov Key Lab Geog Environm Monitoring, Harbin 150025, Peoples R China 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang, Yutao,Zhang, Lijuan,Li, Yongsheng,et al. Characteristics of the Northern Hemisphere cold regions changes from 1901 to 2019[J]. SCIENTIFIC REPORTS,2023,13(1):12. |
| APA | Huang, Yutao.,Zhang, Lijuan.,Li, Yongsheng.,Ren, Chong.,Pan, Tao.,...&Liu, Jie.(2023).Characteristics of the Northern Hemisphere cold regions changes from 1901 to 2019.SCIENTIFIC REPORTS,13(1),12. |
| MLA | Huang, Yutao,et al."Characteristics of the Northern Hemisphere cold regions changes from 1901 to 2019".SCIENTIFIC REPORTS 13.1(2023):12. |
入库方式： OAI收割
来源：地理科学与资源研究所
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